diff --git a/lib/capybara/driver/webkit.rb b/lib/capybara/driver/webkit.rb
index e68f8bf..71d6dd8 100644
--- a/lib/capybara/driver/webkit.rb
+++ b/lib/capybara/driver/webkit.rb
@@ -126,6 +126,10 @@ class Capybara::Driver::Webkit
     @cookie_jar ||= CookieJar.new(browser)
   end
 
+  def invalid_element_errors
+    []
+  end
+
   private
 
   def url(path)